Example (courtesy of Sound On Sound interview with engineer/mixer Peter Mokran August 2009)
‘Jai Ho! (You Are My Destiny)’
Written by AR Rahman, Gulzar, Nicole Scherzinger, Ron Fair
Produced by Ron Fair and Nicole Scherzinger
The Pro Tools file with which Ron Fair walked into Mokran’s studio one day last February was notable for a number of reasons. Consisting of 100-plus stereo and mono music tracks, the Edit window looked like a patchwork of small bits and pieces. Only the first seven of the 17 drum tracks, as well as a synth bass track, were playing for most of the song. In addition, there were 44 stereo and eight mono vocals tracks, in effect making 96 vocal tracks. Many of them also occurred only for brief moments. Despite this enormous number of often bitty tracks, Mokran maintains that it wasn’t an overly complex mix. This is a picture of the PT arrange page.

Dylan '3D' Dresdow talks about Black Eyed Peas last album The End in July 2009. Even a simple track like Boob-Boom-Pow.
“The total number of tracks on ‘Boom Boom Pow’ was about 84. These include all the different drums, the synths, and the vocals and backing vocals. We also did several remixes of ‘Boom Boom Pow’ that will be released on an EP. We really tried to go for a different sound with the remixes, and some of them, quite frankly, ended up being almost new songs. At the same time, many of the effects that I used on ‘Boom Boom Pow’ were used on the whole album, they were a kind of common thread, and helped to make the album sound consistent. In general, while mixing, being organic-sounding was not a goal. Being 3008, in 2009, was.”